82   bool convertToBRCT(MachineInstr &MI, MachineInstr &Compare,
84   bool convertToLoadAndTrap(MachineInstr &MI, MachineInstr &Compare,
86   bool convertToLoadAndTest(MachineInstr &MI, MachineInstr &Compare,
88   bool convertToLogical(MachineInstr &MI, MachineInstr &Compare,
90   bool adjustCCMasksForInstr(MachineInstr &MI, MachineInstr &Compare,
93   bool optimizeCompareZero(MachineInstr &Compare,
95   bool fuseCompareOperations(MachineInstr &Compare,
169 static unsigned getCompareSourceReg(MachineInstr &Compare) {  in getCompareSourceReg()  argument
171   if (Compare.isCompare())  in getCompareSourceReg()
172     reg = Compare.getOperand(0).getReg();  in getCompareSourceReg()
173   else if (isLoadAndTestAsCmp(Compare))  in getCompareSourceReg()
174     reg = Compare.getOperand(1).getReg();  in getCompareSourceReg()
184     MachineInstr &MI, MachineInstr &Compare,  in convertToBRCT()  argument
212   unsigned SrcReg = getCompareSourceReg(Compare);  in convertToBRCT()
213   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in convertToBRCT()
238     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTrap()  argument
256   unsigned SrcReg = getCompareSourceReg(Compare);  in convertToLoadAndTrap()
257   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in convertToLoadAndTrap()
278     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTest()  argument
283   if (!Opcode || !adjustCCMasksForInstr(MI, Compare, CCUsers, Opcode))  in convertToLoadAndTest()
295   if (!Compare.mayRaiseFPException())  in convertToLoadAndTest()
306     MachineInstr &MI, MachineInstr &Compare,  in convertToLogical()  argument
320   if (!ConvOpc || !adjustCCMasksForInstr(MI, Compare, CCUsers, ConvOpc))  in convertToLogical()
354     MachineInstr &MI, MachineInstr &Compare,  in adjustCCMasksForInstr()  argument
357   unsigned CompareFlags = Compare.getDesc().TSFlags;  in adjustCCMasksForInstr()
365   if (Compare.mayRaiseFPException()) {  in adjustCCMasksForInstr()
478     if (MBBI == Compare) {  in adjustCCMasksForInstr()
485     MachineBasicBlock::iterator MBBI = MI, MBBE = Compare;  in adjustCCMasksForInstr()
494 static bool isCompareZero(MachineInstr &Compare) {  in isCompareZero()  argument
495   if (isLoadAndTestAsCmp(Compare))  in isCompareZero()
497   return Compare.getNumExplicitOperands() == 2 &&  in isCompareZero()
498     Compare.getOperand(1).isImm() && Compare.getOperand(1).getImm() == 0;  in isCompareZero()
506     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in optimizeCompareZero()  argument
507   if (!isCompareZero(Compare))  in optimizeCompareZero()
511   unsigned SrcReg = getCompareSourceReg(Compare);  in optimizeCompareZero()
512   MachineBasicBlock &MBB = *Compare.getParent();  in optimizeCompareZero()
516          std::next(MachineBasicBlock::reverse_iterator(&Compare)),  in optimizeCompareZero()
524         if (convertToBRCT(MI, Compare, CCUsers)) {  in optimizeCompareZero()
528         if (convertToLoadAndTrap(MI, Compare, CCUsers)) {  in optimizeCompareZero()
534       if ((!CCRefs && convertToLoadAndTest(MI, Compare, CCUsers)) ||  in optimizeCompareZero()
536            (adjustCCMasksForInstr(MI, Compare, CCUsers) ||  in optimizeCompareZero()
537             convertToLogical(MI, Compare, CCUsers)))) {  in optimizeCompareZero()
551     if (Compare.mayRaiseFPException() &&  in optimizeCompareZero()
560       std::next(MachineBasicBlock::iterator(&Compare)), MBB.end());  in optimizeCompareZero()
564       if (convertToLoadAndTest(MI, Compare, CCUsers)) {  in optimizeCompareZero()
581     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in fuseCompareOperations()  argument
606       TII->getFusedCompare(Compare.getOpcode(), Type, &Compare);  in fuseCompareOperations()
614   Register SrcReg = Compare.getOperand(0).getReg();  in fuseCompareOperations()
616     Compare.getOperand(1).isReg() ? Compare.getOperand(1).getReg() : Register();  in fuseCompareOperations()
617   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in fuseCompareOperations()
658     MIB.add(Compare.getOperand(I));  in fuseCompareOperations()
675   MBBI = Compare;  in fuseCompareOperations()